[PATCH] net: emaclite: Avoid reading negative bytes

As far as I know, an IP packet isn't necessarily shorter than an ARP packet, and if length < first_read, xemaclite_alignedread() goes into an infinite loop. --- drivers/net/xilinx_emaclite.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c index 43fc36dc..134973a5 100644 --- a/drivers/net/xilinx_emaclite.c +++ b/drivers/net/xilinx_emaclite.c @@ -526,7 +526,7 @@ try_again: }

/* Read the rest of the packet which is longer then first read */ - if (length != first_read) + if (length > first_read) xemaclite_alignedread(addr + first_read, etherrxbuff + first_read, length - first_read);